[typo] web UI -> Infrastructure -> Domains help page
Copied from https://bugzilla.redhat.com/1385445
Go to Satellite web UI -> Infrastructure -> Domains:
Satellite/Foreman considers a domain and a DNS zone as the same thing.
That is, if you are planning to manage a site where all the machines are or the form hostname.somewhere.com then the domain is somewhere.com.
s/are or the form/are of the form